Excitonic relaxation through phonon interactions in quantum wells

In-Keun Oh; Jai Singh

doi:10.1016/S0022-2313(99)00192-1

Excitonic relaxation through phonon interactions in quantum wells

In-Keun Oh, Jai Singh

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

Excitonic processes involving LA, TA, and LO phonons are studied in quantum wells. We have derived expressions for exciton-acoustic phonon interactions for both deformation potential and piezoelectric couplings. We have taken into account the effect of anisotropy of the valence band which gives rise to exciton-phonon interaction due to deformation potential coupling for both LA and TA phonons. The rates of excitonic relaxation are also derived involving all three types of phonons. Finally, the rates of phonon emissions are calculated in GaAs quantum wells.

Original language	English
Pages (from-to)	233-246
Number of pages	14
Journal	Journal of Luminescence
Volume	85
Issue number	4
DOIs	https://doi.org/10.1016/S0022-2313(99)00192-1
Publication status	Published - 2000

Bibliographical note

Funding Information:
This work was supported by an ARC large grant. It is a pleasure and honour to contribute this article to the occasion of retirement of Professor M.D. Sturge, who has made a tremendous contribution to the field of excitons. We wish him well.

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10.1016/S0022-2313(99)00192-1

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title = "Excitonic relaxation through phonon interactions in quantum wells",

abstract = "Excitonic processes involving LA, TA, and LO phonons are studied in quantum wells. We have derived expressions for exciton-acoustic phonon interactions for both deformation potential and piezoelectric couplings. We have taken into account the effect of anisotropy of the valence band which gives rise to exciton-phonon interaction due to deformation potential coupling for both LA and TA phonons. The rates of excitonic relaxation are also derived involving all three types of phonons. Finally, the rates of phonon emissions are calculated in GaAs quantum wells.",

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author = "In-Keun Oh and Jai Singh",

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T1 - Excitonic relaxation through phonon interactions in quantum wells

AU - Oh, In-Keun

AU - Singh, Jai

N1 - Funding Information: This work was supported by an ARC large grant. It is a pleasure and honour to contribute this article to the occasion of retirement of Professor M.D. Sturge, who has made a tremendous contribution to the field of excitons. We wish him well.

PY - 2000

Y1 - 2000

N2 - Excitonic processes involving LA, TA, and LO phonons are studied in quantum wells. We have derived expressions for exciton-acoustic phonon interactions for both deformation potential and piezoelectric couplings. We have taken into account the effect of anisotropy of the valence band which gives rise to exciton-phonon interaction due to deformation potential coupling for both LA and TA phonons. The rates of excitonic relaxation are also derived involving all three types of phonons. Finally, the rates of phonon emissions are calculated in GaAs quantum wells.

AB - Excitonic processes involving LA, TA, and LO phonons are studied in quantum wells. We have derived expressions for exciton-acoustic phonon interactions for both deformation potential and piezoelectric couplings. We have taken into account the effect of anisotropy of the valence band which gives rise to exciton-phonon interaction due to deformation potential coupling for both LA and TA phonons. The rates of excitonic relaxation are also derived involving all three types of phonons. Finally, the rates of phonon emissions are calculated in GaAs quantum wells.

KW - Exciton-phonon interaction

KW - Excitonic relaxation

KW - Phonon emission

UR - http://www.scopus.com/inward/record.url?scp=0033878963&partnerID=8YFLogxK

U2 - 10.1016/S0022-2313(99)00192-1

DO - 10.1016/S0022-2313(99)00192-1

M3 - Article

AN - SCOPUS:0033878963

SN - 0022-2313

VL - 85

SP - 233

EP - 246

JO - Journal of Luminescence

JF - Journal of Luminescence

IS - 4

ER -

Excitonic relaxation through phonon interactions in quantum wells

Abstract

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